after header install, throwing a few codes...need help
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after header install, throwing a few codes...need help
ok to sum it up, i installed longtubes and used 02 extensions for the front and sims for the rear and replaced the plugs...heres the codes i now have...any help would be appreciated...car is just not running up to potential....
P0-134 o2 circuit no activity detected( bank 1/sensor 1)
P0-154 02 circuit no activity detected( bank 2/sensor 1)
P0-300 random/multiple cylinder misfire
the first two codes are on the front if im not mistaken and cant understand why cause im using extensions...again any help would be appreciated
thanks
bubba
P0-134 o2 circuit no activity detected( bank 1/sensor 1)
P0-154 02 circuit no activity detected( bank 2/sensor 1)
P0-300 random/multiple cylinder misfire
the first two codes are on the front if im not mistaken and cant understand why cause im using extensions...again any help would be appreciated
thanks
bubba
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Those codes are related to the front oxygen sensors, you need to get them plugged in if they are not, or buy some bosch 13111's from me... the 3rd code is related to the first 2.
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Originally Posted by notatruews6
Those codes are related to the front oxygen sensors, you need to get them plugged in if they are not, or buy some bosch 13111's from me... the 3rd code is related to the first 2.
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so a little update..put brand new o2s up front, deleted the codes out with my scanmaster and now im getting the 135/155 codes which is Sensor Circuit Slow Response and still have the multiple misfire code and still runs sluggish and feels like its skipping and bogging...any ideas now??
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#9
the long tubes should have no affect on O2 heating- the o2 sensors have internal heaters to reach operating parameter faster ( closed loop operation) make sure you have the extension plugged in correctly ( pins mismatched) need to look at o2 operation while idling & driving the car - are the mhz's reading fixed about 500 or do they change while idling the engine?? from low (lean) to high (rich) numbers should change between 1 & 900+ constantly while running